Amanda Bynes cyber-bullies Rihanna: 'Chris Brown beat you because you're not pretty'

rihanna-amanda-bynes.jpgApparently Amanda Bynes hasn't gotten enough media attention from her recent arrest or her claims that the was sexually assaulted by a police officer, because Sunday afternoon she decided to drum up more controversy by randomly insulting Rihanna on Twitter.

"You look so ugly tryin to be white," Bynes tweeted to Rihanna. "Chris Brown beat you because you're not pretty enough." She continued, "No one wants to be your lover so you call everyone and their mother that I almost named my new dog Rihanna." Bynes has since deleted the offensive tweets.

Rihanna didn't respond directly to Bynes, she simply tweeted:


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